QH-450A Building Spray Rigid Foam Polyether (Suitable for Ordinary Civil/Industrial Buildings)
1. Description
This product is a general-purpose rigid foam polyether polyol, made from sucrose and glycerol as initiators polymerized with propylene oxide. It is a colorless to light yellow transparent viscous liquid, non-toxic and non-flammable (GB 8624-2012 Class B2), with good adhesion, thermal insulation and dimensional stability. It is suitable for various building substrates and widely used in building spray insulation.
2. Specification
| Item | Index | Test Method |
|---|
| Appearance (25℃) | Colorless to light yellow transparent viscous liquid, no mechanical impurities | Visual inspection |
| Hydroxyl Value (mgKOH/g) | 380-420 | GB/T 12008.3-2009 |
| Viscosity (25℃, mPa·s) | 1800-2500 | GB/T 12008.7-2010 |
| Moisture (%) | ≤0.20 | GB/T 12008.6-2010 |
| Acid Value (mgKOH/g) | ≤0.15 | GB/T 12008.5-2010 |
| Functionality | 4-5 | Chemical titration |
| Foaming Density (kg/m³) | 27-33 | GB/T 6343-2009 |
3. Application
Core application scenarios:
- Civil Buildings: External wall and roof spray insulation of residential buildings, office buildings, etc., reducing energy consumption.
- Industrial Buildings: Wall and roof insulation of workshops and warehouses, with corrosion resistance and stable insulation performance.
- Auxiliary Applications: Simple insulation of pipelines, storage tanks and wood-like insulation product production.
- Construction Instructions: Mix with isocyanate at 1:1 (25℃), spray with high-pressure equipment. Construction temperature: 10~40℃, wind speed ≤5m/s, humidity <75%. Comply with GB 50404-2017.
4. Storage
- Storage Environment: Cool, ventilated, dry (5-35℃), away from fire, with explosion-proof facilities.
- Packaging: 200L sealed iron drums, marked with product information.
- Shelf Life: 6 months under standard storage conditions; qualified test required after expiration.
- Transportation: Handle with care, no mixing with oxidants/acid, comply with national regulations.
- Others: Regularly check drum tightness; dispose of waste properly.